Preparation and Corrosion Behavior of Rare Earth Oxide Chemical Conversion Membrane for AZ31 Magnesium Alloy by Ultrasonic Assisted Process
Aiming at improving the corrosion resistance of AZ31 magnesium alloy in 3.5% (mass fraction) NaCl solution, the effects of CeO2 concentration and ultrasonic and non - ultrasonic assisted processes on chemical conversion film of AZ31 magnesium alloy prepared in the pet silk serum mixed bath of 0.300 mol/L Na2MoO4+0.120 mol/L NaF +0.050 mol/L